Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 12:54

General

  • Target
    2024-02-18_f3a99faf0b6b24a8ce136a67cf1c7c3c_magniber.exe
  • Size 1.1MB
  • Sample240218-p46mxaab91
  • SHA256 ffa724f8eb4f9c8521c99372da9b7ba0137d7b60b3406275c26f8e0400b3be73
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • sality

C2
  • http://89.119.67.154/testo5/

  • http://kukutrustnet777.info/home.gif

  • http://kukutrustnet888.info/home.gif

  • http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 39 IoCs
  • UPX dump on OEP (original entry point) 40 IoCs
  • UPX packed file 39 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2636
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2504
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:2484
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3848
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4000
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3936
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:3656
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:3512
                          • C:\Users\Admin\AppData\Local\Temp\2024-02-18_f3a99faf0b6b24a8ce136a67cf1c7c3c_magniber.exe
                            "C:\Users\Admin\AppData\Local\Temp\2024-02-18_f3a99faf0b6b24a8ce136a67cf1c7c3c_magniber.exe"
                            2⤵
                            • Modifies firewall policy service
                            • UAC bypass
                            • Windows security bypass
                            • Windows security modification
                            • Checks whether UAC is enabled
                            • Enumerates connected drives
                            • Writes to the Master Boot Record (MBR)
                            • Drops autorun.inf file
                            • Drops file in Program Files directory
                            • Drops file in Windows directory
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            • System policy modification
                            PID:5088
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3756
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4452
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:2076
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4464
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4144
                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                    1⤵
                                      PID:4084

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          kjdym.exe

                                          • Path C:\kjdym.exe
                                          • Size 97KB
                                          • SHA256 a45192c29ab16f6b40054f2cd42edcddf42b0ee3466ae32037d3668e5fae71d9
                                          • MD5 SHA1 SHA512 SSDEEP

                                          memory/5088-31-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-23-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-5-0x0000000002470000-0x0000000002472000-memory.dmp

                                          memory/5088-6-0x0000000002480000-0x0000000002481000-memory.dmp

                                          memory/5088-4-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-8-0x0000000002470000-0x0000000002472000-memory.dmp

                                          memory/5088-9-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-10-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-16-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-17-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-18-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-19-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-20-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-38-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-22-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-36-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-24-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-25-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-27-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-28-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-29-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-0-0x0000000000400000-0x000000000051A000-memory.dmp

                                          memory/5088-3-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-34-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-21-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-41-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-43-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-45-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-47-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-54-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-56-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-58-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-60-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-62-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-63-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-64-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-66-0x0000000002470000-0x0000000002472000-memory.dmp

                                          memory/5088-67-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-69-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-71-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-73-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-75-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-1-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-89-0x00000000025A0000-0x000000000365A000-memory.dmp

                                          memory/5088-104-0x0000000000400000-0x000000000051A000-memory.dmp